Hammer



FIG. 1 is a first perspective view of a hammer according to the present invention.

FIG. 2 is a second perspective view of the hammer of FIG. 1.

FIG. 3 is a side view of the hammer of FIG. 1, with the views from the other side, front, and back being identical.

FIG. 4 is a top view of the hammer of FIG. 1; and,

FIG. 5 is a bottom view of the hammer of FIG. 1. 

CLAIM The ornamental design for a hammer, as shown and described. 